Web platform features explorer

Branch hinting (WebAssembly)

Branch hints in WebAssembly allows a browser to optimize performance when a branch is a likely to take a specific path.

Status

Limited availability

MDN documentation

No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.

Browser support

  • Chrome 137 Released on 2025-05-27
  • Chrome Android 137 Released on 2025-05-27
  • Edge 137 Released on 2025-05-29
  • Firefox
  • Firefox for Android
  • Safari 16 Released on 2022-09-12
  • Safari on iOS 16 Released on 2022-09-12

Baseline availability blocked since May 2025 by Firefox (7 months)

Developer signals

Votes: 0

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